ICM-30630
Page 2 of 18
Document Number: AN-000023
Revision: 1.1
TABLE OF CONTENTS
1.
I
NTRODUCTION
.................................................................................................................................................................................4
1.1
PURPOSE AND SCOPE
..........................................................................................................................................................................4
1.2 P
RODUCT
O
VERVIEW AND
A
PPLICATIONS
...............................................................................................................................................4
1.3
ICM-30630
SIMPLIFIED
B
LOCK
D
IAGRAM
.............................................................................................................................................5
2
S
ENSOR
H
UB APPLICATION SYSTEMS
......................................................................................................................................................6
3
H
ARDWARE
D
ESIGN
C
ONSIDERATIONS
..................................................................................................................................................7
3.1 P
OWER SUPPL
IES ..............................................................................................................................................................................7
3.2
PROGRAM
/D
EBUG
I
NTERFACE AND
E
XTERNAL
R
ESET
...............................................................................................................................8
3.3
CLOCK GENERATION UNIT AND EXTERNAL CLOCK SOURCE
...........................................................................................................................9
3.4
SERIAL INTERFACE DIGITAL LINE TERMINATIONS
......................................................................................................................................11
3.4.1
S
LAVE
I
2
C
INTERFACE
..........................................................................................................................................................11
3.4.2
S
LAVE
SPI
INTERFACE
..........................................................................................................................................................12
3.4.3
M
ASTER
I
2
C
I
NTERFACE
.......................................................................................................................................................12
3.5 GPIO
LINES
...................................................................................................................................................................................13
4.
PCB
DESIGN GUIDELINES
...................................................................................................................................................................14
4.1 E
XTERNAL CRYSTAL
..........................................................................................................................................................................14
4.2 I
2
C
AND
SPI
LINES
...........................................................................................................................................................................14
4.3 P
OWER AND
GND ..........................................................................................................................................................................14
4.4 MEMS
COMPONENT PLACEMENT
......................................................................................................................................................14
5.
R
EFERENCE
D
ESIGN
.........................................................................................................................................................................15
5.1
SCHEMATICS
...................................................................................................................................................................................15
5.2
BILL OF MATERIALS
...........................................................................................................................................................................16
R
EVISION
H
ISTORY
.................................................................................................................................................................................17
C
OMPLIANCE
D
ECLARATION
D
ISCLAIMER
........................................................................................................................................................18